- Apr 1 20th NCAA Women's Basketball Championship: Notre Dame beats Purdue, 68-66; Fighting Irish forward Ruth Riley is named Most Outstanding Player
- Apr 1 Netherlands becomes the first country in the world to make same-sex marriage legal
Historic Event
Apr 1 Former president of Federal Republic of Yugoslavia Slobodan Milošević surrenders to police special forces, to be tried on charges of war crimes.
WrestleMania
Apr 1 WrestleMania XVII, Astrodome, Houston, TX: 'Stone Cold' Steve Austin beats The Rock in a no disqualification match for the WWF Championship
- Apr 2 63rd NCAA Men's Basketball Championship: Duke beats Arizona, 82-72; Blue Devils' 3rd title; forward Shane Battier MOP
Baseball Record
Apr 2 New York Yankees pitcher Roger Clemens becomes American League all-time strikeout leader, recording his 3,509th K in a 7-3 victory over the Kansas City Royals; Walter Johnson previous record 3,508 Ks
Sports History
Apr 2 Seattle outfielder Ichiro Suzuki has 2 hits and becomes first Japanese position player to play in a regular season MLB game as Mariners beat Oakland A's, 5-4 at Safeco Field
US Masters Golf
Apr 8 65th US Masters Tournament, Augusta National GC: Tiger Woods wins his 2nd Masters and 6th major title, 2 strokes ahead of David Duval
- Apr 11 Detained crew of a United States EP-3E aircraft that landed in Hainan, People's Republic of China after a collision with an J-8 fighter are released
- Apr 15 The Tradition Senior Men's Golf, GC at Desert Mountain: Doug Tewell wins his second & final Champions Tour major by 9 strokes from Mike McCullough
- Apr 16 105th Boston Marathon: Lee Bong-Ju of South Korea men's winner in 2:09:43; Catherine Ndereba of Kenya wins back-to-back women's titles in 2:23:53
- Apr 21 NFL Draft: Virginia Tech quarterback Michael Vick first pick by Atlanta Falcons
Music Single
Apr 23 Fatboy Slim releases single "Weapon of Choice", music video directed by Spike Jonze starring Christopher Walken dancing